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Optimizely vs. Prysm

Considering a switch from Optimizely to the open-source Prysm? Here is a side-by-side comparison based on GitHub community data to help you decide. Optimizely has 3 open-source alternatives in total in the Feature Flags & Experimentation category - Prysm is the most starred.

CriteriaOptimizelyPrysm
Pricing modelPaid / Monthly Fees100% Free / Self-Hosted
Data ControlThird-party ServersFull Ownership & Privacy
LicenseProprietaryNOASSERTION
GitHub Stars-⭐ 8,119
Last commit-Unknown

About Prysm

Prysm is an open‑source, privacy‑friendly A/B testing and feature‑flagging platform that lets teams run experiments and roll out features without relying on third‑party vendors, making it a robust alternative to Optimizely.

View Prysm on GitHub →

Prysm isn't the only option - Optimizely has 2 other open-source alternatives worth checking out.

See all alternatives to Optimizely →